And john w



(No Model.)

W. DUGHEMIN.

METHOD OF AND APPARATUS FOR WINDING COPS TO BE USED IN SEWING MACHINESN0. 515,489. Patented Feb. 27, 1894.

I Fa n L -J1 A 5 v I l I I 1 .1 Q

wn'N sses Q I .WVENTQR- y UNITED STATES W'ILLIAM DUOHEMIN, OFNEWBURYPORT, MASSAOHI ISETTS, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS,OF FIVE-EIGHTHS TO HENRY W* BLAIR, OF MANCHESTER, NEW HAMPSHIRE, ANDJOHN W. DREVF, OF

BOSTON, MASSACHUSETTS.

METHOD OF AND APPARATUS FOR WINDlNG COPS TO BE USED IN SEWlNGMACHlNES.

SPECIFICATION forming part of Letters Patent No. 515,489, dated February27, 1894.

Original application filed August 4, 1890, Serial No. 360,958- Dividedand this application filed April 2,1891. Renewedhugust 3,1893. SerialNo. 482,306. (No model.) I

To all whom it may concern:

Be it known that I, WILLIAM DUCHEM'IN, a subj ect of Her Britan nicMajesty, residing at hiewburyport, in the county of Essex and State ofMassachusetts, have invented certain new and useful Improvements in.Methods of and Apparatus for Winding Cops to be Used in Sewing-Machines;and I do hereby declare the following to be a full, clear, and exactdeseription of the invention,such as will enable others skilled in theart to which it appertains to make and use the same.

My invention relates to improvements in the mode of winding cops to beused in sewing machines, the cops being of that class that give out thethread from the interior, and that are wound from thread that has beenfinished and wound on spools or in skeins, and is a division of mypending application Serial No. 360,958.

My invention consists in the manner of treating the thread-during andafter the operation of winding the cop; to Wit, in moistening the threadduring the operation of winding the cop, and the further treatment ofthe same after the cop has been wound,

.which I do in the manner set forth in this specification and by themechanical means illustrated in the accompanying drawings, in which-Figure 1 is in part a front elevation of the water tank and in part avertical transverse View in section showing the construction of themoistening apparatus; and Fig. 2, is a top view in plan showing therelative position of the parts.

Similar letters referto si milar parts throughout both views.

The process consists as follows: The thread is moistened justsufficiently to soften the fiber, and the finishing preparation thereofas it is being wound, so that it will yield readily to the form of thewinding spindle of the machine, and to the action of the press- 5 ureroller thereof, thus insuring more solid winding, as will be shownfarther on.

When the cop has been wound, and removed from the spindle, as explainedin the above named application, it is placed in a drying compartmentwhich is heated to 100 more or less, and kept therein until it isthoroughly dried.

The practical benefit of moistening the thread is, that all threads usedin sewing machines intended for domestic or factory uses have to beprepared in a manner that will qualify the thread to resist the frictionof passing through the eye of the needle, and also impart thereto enoughelasticity to insure the entrance of the shuttle into the needle loopduring the operation of sewing. For these reasons it is obvious thatcoils wound therefrom cannot be wound so compactly or be made to conformso closely to the shape of the spindle as coils formed of thread from 6;which the elasticity has been removed and the fiber thereof softened,nor will the layers adhere so closely together. And for this reason inthe unwinding of the cops, thread that has been wound in a dry statewill assert its elasticity, and as, by reason of the hard smooth finishof the thread, there is no adhesive connection between the layers, ahalf, and at times a full layer of coils will be prematurely loos ened,thus causing a tangle that destroys the 7 5 cop. These defects areentirely removed by my process, for the reason that the fiber of thethread being moistened conforms readily to the form of the windingspindle. The finishing preparation being also softened presents So heresistance to the pressure roller of the machine. Thus the layers ofcoils are laid more compactly one over the other, so that when the copsare removed from the Winding ma chine and subjected to the dryingprocess before named the layers of coils, which have been pressed inclose contact by the action of the pressure roller of the windingmachine, by reason also of the slightly adhesive action of the finishingpreparation of the thread cling together in such a manner that a slightpull will be necessary to unwind each spiral; and for the same reasonthe cops present a more solid article for ordinary handling and packingpurposes. 5

The moisture is applied to the thread in the following manner. Thethread is drawn from a spool that is placed in any convenient positionnear the machine and passed around the periphery m of the moisteningroller, Fig. 1, and thence to the winding spindle of the machine; and asthe thread is wound round the spindle the moistening roller is revolvedthereby. The roller is composed of two disks which at the desireddistance from their peripheries project upward in the form of a flatcone. The lower disk I), is provided on its upper surface with a centralpointed boss, and on the under surface with a socket c,

- which passes over and revolves on an upright shaft (1 that is securedin a bracket e. The upper disk a is made in the same form and at thecenteris provided with afunnel shaped hole. Secured between the disks0!, and b, by means of screw bolts '6 is a ring of felt m, of the formand proportion shown at m m Fig. 1. On the end of the bracket 6, isanupright arm f, which terminates in a circularshaft on which is placeda small water tank gvwhich is supplied with a faucet h by which water issupplied to the moistening roller. In practice, when the faucet is openthe stream, or if so required, drops of water falling therefrom dropdirectly on the pointed boss which divides the stream equally and thewater is sentinto thefelt ring m by the centrifugal force created by therevolving of the moistoning roller. The stream of water is regulated bythe action of the faucet. Thus the thread is moistened by the water thatoozes through the felt ring m. The bracket emay be secured on the tableof the winder or be made in such a form as will permit of its beingsecured to the thread guide carriage thereof, or in any other suitableposition.

The drying compartment may be made of any desired dimensions from acubic foot upward, and heated by any known agency, steam however beingthe best for the reason that the more equally and regularly the heatisdistributed and applied in drying the cop, the better and more perfectit will be, and also because a greater degree of heat can bemoresafelyapplied by means of superheated steampassingthrough steamtight coils placed therein than can be by any other means, and

it will be noted that the drying of the cop in the manner explainedafter it is wound is equally as important as the moistening of thethread during the operation of winding thereof, for the reason that theheat sets the 00118 in the position in which they have been placed bythe winding spindle in the same or similar manner as the folds are setin moist linen by the action of a heated iron.

I do not bind myself to the exact construc tion of the moisteningroller, the gist of the invention thereof being, the felt ring m, orother suitableporous material and forcing the water through the same forthe purpose of moistening the thread as set forth. I desire it also tobe understood that I do not claim a process of spinning and winding anddrying yarn as disclosed in British patent to Mather No. 488 of 1866, assuch method of preparing uusized linen yarn to be used as a Weft isnowwell known, but my invention is directed to the winding of sized ordressed sewing thread whereby it is made to conform readily to the shapeof the winding spindle and iscompactly Wound.

Having thus. described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The within described method of winding dressed or sized thread to beused in sewing machines which consists of simultaneously moistening andwinding the thread and then drying the same by the action of heat afterit has been wound in the manner and for the purposes specified.

2. The combination with a suitable water supply and delivery means, as afaucet, of a hollow disk having a peripheral porous surface, a centralfunnel for receiving and a, central pointed boss for scattering watersupplied thereto, said disk being revolved by theaction of the'thread inthe manner and for the purposes specified.

In testimony whereof I hereunto affix my signature in presence of twowitnesses,

WILLIAM DUCHEMIN.

Witnesses:

ARCH. M. CATLIN, S. G. HOPKINS.

